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authorKeith Packard <keithp@keithp.com>2011-09-26 16:09:45 -0700
committerKeith Packard <keithp@keithp.com>2011-09-27 11:12:40 -0700
commit72bbe58cd9568c7766cc219a779ea68a02132797 (patch)
treec782e65997335f19534ab57146c25128617de248 /drivers/gpu/drm/i915/i915_drv.c
parentd2830bdb84fac6e84e45ffe1a4c9bec762295d7d (diff)
drm/i915: Allow SSC parameter to override VBT value
Allow SSC to be enabled even when the BIOS disables it for testing SSC paths. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index f07e4252b70..58480deacc0 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -79,11 +79,11 @@ MODULE_PARM_DESC(lvds_downclock,
"Use panel (LVDS/eDP) downclocking for power savings "
"(default: false)");
-unsigned int i915_panel_use_ssc __read_mostly = 1;
+unsigned int i915_panel_use_ssc __read_mostly = -1;
module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
MODULE_PARM_DESC(lvds_use_ssc,
"Use Spread Spectrum Clock with panels [LVDS/eDP] "
- "(default: true)");
+ "(default: auto from VBT)");
int i915_vbt_sdvo_panel_type __read_mostly = -1;
module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600);